Yuyan Fan, Weihua Shi. Photonic Crystal Fiber Biosensors Based on Surface Plasmon Resonance[J]. Laser & Optoelectronics Progress, 2021, 58(21): 2106003
- Laser & Optoelectronics Progress
- Vol. 58, Issue 21, 2106003 (2021)
Fig. 1. Structure of the PCF sensor. (a) Sectional view; (b) schematic diagram of the stacking manufacturing method
Fig. 2. Schematic diagram of the PCF sensing. (a) Mismatched strand; (b) complementary strand
Fig. 3. Dispersion characteristics and loss characteristics of the core mode, and dispersion characteristics of SPP when n=1.333
Fig. 4. Sensing characteristic diagram. (a) Loss of the refractive index of different solutions; (b) relationship between resonance wavelength and refractive index of solution to be tested
Fig. 5. Effect of Au film thickness on sensing characteristics. (a) Loss curve of core guided mode; (b) variation curve of resonance wavelength with refractive index of the solution to be measured
Fig. 6. Effect of duty cycle on sensing characteristics. (a) Loss curve of core guided mode; (b) variation curve of resonance wavelength with refractive index of the solution to be measured
Fig. 7. Effect of hole diameter on sensing characteristics. (a) Loss curve of core guided mode; (b) variation curve of resonance wavelength with refractive index of the solution to be measured
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Table 1. Related parameters of different sensing structures
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